Dr. Venkat Subramaniam, the founder of Agile Developer, Inc., has trained and mentored thousands of software developers in the US, Canada, Europe, and Asia. Venkat helps his clients effectively apply and succeed with agile practices on their software projects. He is a frequent invited speaker at international software conferences and user groups. He's the author of .NET Gotchas (O'Reilly), coauthor of the 2007 Jolt Productivity award-winning book Practices of an Agile Developer (Pragmatic Bookshelf), and author of Programming Groovy (Pragmatic Bookshelf).
Sergey works as Java Performance Engineer at Oracle. His primary goal is making Oracle JVM faster digging into JVM runtime, JIT compilers, class libraries and etc. His favorite area is an interaction of Java with modern hardware.
Jeff Atwood is a co-founder of Stack Overflow and Stack Exchange, websites that are visited by millions of people every day. Much like with Wikipedia, it is difficult to understate the impact on global knowledge and productivity that these network of sites have created. Jeff is also the author of the famed Coding Horror blog, and the founder of Discourse, and open-source software project that seeks to improve the quality of our online community discussions.
Arun Gupta is a Principal Technologist at Amazon Web Services. He is responsible for the Cloud Native Computing Foundation (CNCF) strategy within AWS, and participates at CNCF Board and technical meetings actively. He works with different teams at Amazon to help define their open source strategy. He has built and led developer communities for several years. He has extensive speaking experience in 45+ countries on myriad topics. Gupta also founded the Devoxx4Kids chapter in the US and continues to promote technology education among children. A prolific writer, author of several books, an avid runner, a globe trotter, a Docker Captain, a Java Champion, a JUG leader, he is easily accessible at @arungupta on Twitter.